﻿// ===================================
// <copyright>LogoUI Co.</copyright>
// <author>Vlad Spivak</author>
// <email>mailto:vlads@logoui.co.il</email>
// <created>25/00/10</created>
// <lastedit>Thursday, November 25, 2010</lastedit>

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//
// <remarks>Part of this software based on various internet sources, mostly on the works
// of members of Wpf Disciples group http://wpfdisciples.wordpress.com/
// Also project may contain code from the frameworks: 
//        Nito - http://nitokitchensink.codeplex.com/
//        OpenLightGroup - http://openlightgroup.net/
//        nRoute - http://nroute.codeplex.com/
//        SilverlightFX - http://projects.nikhilk.net/SilverlightFX
//        BlackLight - http://blacklight.codeplex.com/
// </remarks>
// ====================================================================================//

namespace Microsoft.Expression.Interactivity.Core
{
    /// <summary>
    /// Adds workaround for status refresh when VisualStates became available
    /// </summary>
    public class XDataStateBehavior:DataStateBehavior
    {
        protected override void OnAttached()
        {
            AssociatedObject.Loaded += AssociatedObjectLoaded;
            base.OnAttached();            
        }

        protected override void OnDetaching()
        {
            base.OnDetaching();
            AssociatedObject.Loaded -= AssociatedObjectLoaded;
        }

        void AssociatedObjectLoaded(object sender, System.Windows.RoutedEventArgs e)
        {
           //workaround for value refresh
            object oldValue = Value;
            Value = null;
            Value = oldValue;
        }
    }
}
